js-- best inheritance

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function Person(name) {
    this.name = name;
}

Person.prototype.say=function(){
    console.log(`My name is ${this.name}`)
}

function Student(name) {
    Person.call(this, name)
}

// Object.create方法创建一个新对象，使用现有的对象来提供新创建的对象的__proto__
Student.prototype=Object.create(Person.prototype);
// 修正构造函数指向 Person=>Student
Student.prototype.constructor=Student;

var stu=new Student("tom");

stu.say()//My name is tom